EP1208409A1 - Verfahren zum aufbringen einer beschichtung auf eine oberfläche eines werkstoffes - Google Patents
Verfahren zum aufbringen einer beschichtung auf eine oberfläche eines werkstoffesInfo
- Publication number
- EP1208409A1 EP1208409A1 EP00943808A EP00943808A EP1208409A1 EP 1208409 A1 EP1208409 A1 EP 1208409A1 EP 00943808 A EP00943808 A EP 00943808A EP 00943808 A EP00943808 A EP 00943808A EP 1208409 A1 EP1208409 A1 EP 1208409A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coating material
- workpiece
- coating
- intermediate carrier
- carrier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G7/00—Selection of materials for use in image-receiving members, i.e. for reversal by physical contact; Manufacture thereof
- G03G7/0093—Image-receiving members, based on materials other than paper or plastic sheets, e.g. textiles, metals
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G11/00—Selection of substances for use as fixing agents
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
- G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
- G03G15/1625—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer on a base other than paper
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/087—Binders for toner particles
- G03G9/08784—Macromolecular material not specially provided for in a single one of groups G03G9/08702 - G03G9/08775
- G03G9/08795—Macromolecular material not specially provided for in a single one of groups G03G9/08702 - G03G9/08775 characterised by their chemical properties, e.g. acidity, molecular weight, sensitivity to reactants
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/09—Colouring agents for toner particles
- G03G9/0926—Colouring agents for toner particles characterised by physical or chemical properties
Definitions
- the invention relates to a method for applying a coating to a
- a carrier provided with a photoconductive layer being provided with an electrostatic charge image
- a coating material being applied to the carrier with the aid of electrostatic forces, and the coating material being applied to the workpiece to be coated.
- Such a method is known from EP 0 647 885 A1.
- the known method is used for printing on ceramic and glass products.
- a toner is used as the coating material, the toner particles of which have a pigment core.
- the pigment core consists of ceramic pigments and is surrounded by a binder resin shell.
- Charge control agents are coupled to the binder resin shell.
- the toner is applied to paper coated with gum arabic using an electrostatic copying process.
- a clear varnish is applied to the coated paper for fixation.
- the paper can then be placed on the ceramic or glass product to be coated and moistened.
- the paper can then be peeled off, the gum arabic layer and the colored coating applied thereon adhering to the ceramic or glass product.
- the color pigments with the
- Coating materials are also known which have a thermoplastic as the base material which melts at low temperatures. Color pigments and charge control agents are added to the thermoplastic. This coating material is applied to a paper to be coated using the electrostatic printing process. Finally, the coated paper is fixed at a temperature of approx. 90 ° C - 1 70 ° C. A coating produced in this way is sensitive to mechanical influences.
- This object is achieved in that at least the duromer constituents resin and hardener are applied to the support together or in succession as the coating material.
- This process can be used to easily produce thermoset coatings on workpieces. These coatings have a high surface quality and are particularly scratch and temperature resistant.
- the hardener is stored together with the resin in a storage container in the form of material particles, that the material particles are doped with charge carriers, and that the material particles together with the charge carriers are applied electrostatically to the carrier.
- the hardener and the resin are stored separately from one another in storage containers in the form of hardener and resin particles, that the resin and hardener particles are doped with charge carriers, and that the material particles are electrostatically applied to the carrier by means of the charge carriers be applied.
- the coating material can serve as a "vehicle” for certain substances. Accordingly, the “vehicles” transport the substances onto the workpiece and attach them to the workpiece surface.
- the applied coating material it can be brought to polymerization under the influence of temperature and / or pressure.
- a possible variant of the invention is characterized in that the coating material is applied to a sheet-like intermediate carrier provided with an adhesive layer, that the intermediate carrier is applied with its coating side to the workpiece, that after the intermediate carrier has been applied to the workpiece, the adhesion of the loading - Layering material is lifted, and that the intermediate carrier is then lifted off the workpiece.
- templates can be created that can be applied to the workpiece to be coated at a later time. This is advantageous, for example, if a local
- gum arabic, wax or silicone can be applied to the intermediate carrier as an adhesive layer.
- the liability between the two parties can be applied to the intermediate carrier as an adhesive layer.
- intermediate carrier and the coating material for gum arabic with water, for wax by the effect of temperature can be used as an intermediate support.
- an intermediate carrier designed as paper or cardboard can be used.
- a protective layer for example a lacquer layer, can be applied over the coating material.
- a coating device is shown schematically in FIG. 1.
- Coating device has a personal computer 10, which via a Data line 1 1 is connected to a lighting arrangement 1 2.
- the lighting arrangement 1 2 has a laser or a laser diode chain (so-called
- Carrier 1 3 is designed as an image roller, which is provided with a photoconductive layer.
- a plurality of storage containers 14 are assigned to the carrier 1 3.
- the thermoset component is resin, in another storage container the thermosetting component hardener. In the rest
- 15 storage containers can accommodate aggregates, fillers or colorants. It is also possible that only a single storage container is used, in which both the constituents resin 21 and hardener 22 and, if appropriate, fillers and colorants are accommodated. Furthermore, it is conceivable that four storage containers 14 are used, in each of which the duromer components
- a roller-shaped intermediate carrier 1 6 adjoins the carrier 1 3. Between the intermediate carrier 1 6 and
- a contact zone 1 5 is formed.
- a corona 17 is accommodated in the area of this contact zone 15.
- the intermediate carrier 1 6 rolls on a workpiece 18 which rests on a means of transport 1 9.
- a further corona 17 is arranged in the area between the means of transport 19 and the intermediate carrier 160.
- a coating pattern generated by the personal computer 10, for example a colored image is first transmitted to the lighting arrangement 1 2 via the data line 11. From here, a "latent" electrostatic charge image is transferred to the carrier 13 by means of the laser.
- the charge pattern causes that in the storage containers 14 held substances, in particular the resin 21 and the hardener 22, deposit on the charged points of the carrier 1 3.
- the corona 17, which is arranged in the region of the contact zone 15, has the effect that the coating material on the substrate 13 can be transferred to the intermediate substrate 16.
- the second corona 1 7 repels the coating material from the intermediate carrier 1 6, so that it can reach the surface of the workpiece 1 8.
- the coating pattern, as generated in the personal computer 10, is thus transferred to the workpiece 1 8.
- resin 21 and hardener 22 can be polymerized out under the action of temperature and / or pressure, so that a firm coating with good surface properties is produced on workpiece 18.
- FIGS. 2a to 2f show alternative configuration variants of the above-described method.
- a further intermediate carrier 20 is printed in each case following the intermediate carrier 16.
- the further intermediate carrier 20 consists of a flat material blank, for example a paper or cardboard blank.
- the resin 21 can be applied to the intermediate carrier 20 together with the hardener 22 in a coating process. This becomes possible, for example, if resin 21 and hardener 22 are present together in one of the storage containers 14.
- a coating process follows first, the resin 21 being applied to the intermediate carrier 20. Subsequently (FIG. 2c) the hardener 22 is layered over the resin 21 in a further coating process. It is also conceivable that first the hardener 22 and then the resin 21 are applied to the intermediate carrier 20.
- the intermediate carrier 20 is provided with an adhesive layer, for example Gum arabic or wax coated. The coating material is held on this adhesive layer.
- the intermediate carrier 20 can be placed on a workpiece 18, as shown in FIG. 2d.
- the adhesive force caused by the adhesive layer between the coating material and the intermediate carrier 20 is then released.
- the intermediate carrier 20 can then be removed, the coating material adhering to the workpiece 1 8.
- This process step is shown in FIG. 2e.
- a stamp 24 is pressed onto the coating material.
- temperature is introduced into the coating material.
- the thermoset polymerizes under the influence of temperature and pressure. It is also conceivable that instead of the stamp 24, a roller is used which also introduces pressure and temperature into the coating material.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Combination Of More Than One Step In Electrophotography (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19929522 | 1999-06-28 | ||
| DE19929522A DE19929522A1 (de) | 1999-06-28 | 1999-06-28 | Verfahren zur Aufbringung einer Beschichtung auf eine Oberfläche eines Werksstückes |
| PCT/EP2000/005482 WO2001001201A1 (de) | 1999-06-28 | 2000-06-15 | Verfahren zum aufbringen einer beschichtung auf eine oberfläche eines werkstoffes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1208409A1 true EP1208409A1 (de) | 2002-05-29 |
Family
ID=7912786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00943808A Withdrawn EP1208409A1 (de) | 1999-06-28 | 2000-06-15 | Verfahren zum aufbringen einer beschichtung auf eine oberfläche eines werkstoffes |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6673504B1 (de) |
| EP (1) | EP1208409A1 (de) |
| JP (1) | JP2003503757A (de) |
| CA (1) | CA2377694A1 (de) |
| DE (1) | DE19929522A1 (de) |
| WO (1) | WO2001001201A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004054132A1 (de) * | 2004-11-08 | 2006-05-18 | Schott Ag | Elektrofotografisch verarbeitbarer Toner |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1231903A (fr) * | 1959-06-16 | 1960-10-04 | Gevaert Photo Prod Nv | Procédé électrophotographique |
| BE607748A (de) * | 1960-09-02 | |||
| US3723114A (en) * | 1970-02-04 | 1973-03-27 | Xerox Corp | Thermosetting electrostatographic developer of a carrier and preploymer of diallyl phthalate, isophthalate and mixtures |
| JPH03135578A (ja) * | 1990-10-05 | 1991-06-10 | Konica Corp | 熱ローラ定着用静電荷像現像用トナー |
| JPH0643699A (ja) * | 1992-07-27 | 1994-02-18 | Dainippon Ink & Chem Inc | 熱硬化型非水系樹脂分散液及び熱硬化型液体現像剤 |
| ATE182695T1 (de) | 1993-10-07 | 1999-08-15 | Michael Zimmer | Dekorierte keramik- und glaserzeugnisse, verfahren zu deren herstellung und keramische farbzusammensetzungen zur durchführung des verfahrens |
| JPH07295401A (ja) * | 1994-03-02 | 1995-11-10 | Fujitsu Ltd | 記録装置 |
| JPH08262789A (ja) * | 1995-03-28 | 1996-10-11 | Minolta Co Ltd | 定着方法およびそれに使用する定着溶剤 |
| EP0821281B1 (de) * | 1996-07-26 | 2003-05-07 | Xeikon International N.V. | Verfahren zur Herstellung eines Tonerteilchenbildes auf einem Bildempfangsmaterial, das UV-Strahlungshärtbare Teilchen verwendet |
| US5905012A (en) * | 1996-07-26 | 1999-05-18 | Agfa-Gevaert, N.V. | Radiation curable toner particles |
| WO1999046645A1 (fr) * | 1998-03-11 | 1999-09-16 | Sanyo Chemical Industries, Ltd. | Toner et procede de formation d'images |
-
1999
- 1999-06-28 DE DE19929522A patent/DE19929522A1/de not_active Withdrawn
-
2000
- 2000-06-15 EP EP00943808A patent/EP1208409A1/de not_active Withdrawn
- 2000-06-15 WO PCT/EP2000/005482 patent/WO2001001201A1/de not_active Ceased
- 2000-06-15 US US10/019,384 patent/US6673504B1/en not_active Expired - Fee Related
- 2000-06-15 CA CA002377694A patent/CA2377694A1/en not_active Abandoned
- 2000-06-15 JP JP2001507149A patent/JP2003503757A/ja active Pending
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0101201A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US6673504B1 (en) | 2004-01-06 |
| JP2003503757A (ja) | 2003-01-28 |
| WO2001001201A1 (de) | 2001-01-04 |
| DE19929522A1 (de) | 2001-01-18 |
| CA2377694A1 (en) | 2001-01-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 20011204 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: LKH KUNSTOFFWERK GMBH & CO. KG Owner name: SCHOTT AG Owner name: ZIMMER, MICHAEL |
|
| GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 20050721 |